Atlas · Mozambique
/
Signals & Anomalies
INTELLIGENCE
Signals & anomalies
Statistical checks that flag polygons and patterns that look unusual. They are prompts for review, not errors: an unusual polygon can be a real feature.
Polygons < 0.01 ha
0
0.0% of all polygons
Polygons < 0.001 ha
0
Likely slivers (≈ 10 m²)
Geometries repaired
55,235
Invalid shapes fixed on import
Effective mesh size
1,805.0 ha
Largest patch 2.8% of area
Largest-size outliers
z-score of ln(area): how many standard deviations above typical
| Formation | Area (ha) | z | Location |
|---|---|---|---|
| Mangrove | 8,663.6 | 5.73 | -19.1510, 35.6497 |
| Mangrove | 8,417.5 | 5.71 | -17.1125, 38.4598 |
| Mangrove | 5,076.7 | 5.43 | -18.7617, 36.3023 |
| Mangrove | 4,763.9 | 5.39 | -18.8479, 36.2179 |
| Mangrove | 4,484.2 | 5.36 | -21.2524, 35.0168 |
| Mangrove | 4,375.2 | 5.35 | -10.5205, 40.4721 |
| Mangrove | 4,178.6 | 5.32 | -15.5199, 40.5195 |
| Mangrove | 4,115.9 | 5.31 | -18.4825, 36.4667 |
| Mangrove | 3,955.7 | 5.29 | -17.0643, 38.6160 |
| Mangrove | 3,683.9 | 5.25 | -16.9074, 39.0738 |
Most irregular outlines
Shape index (perimeter ÷ circle perimeter): high values suggest jagged or sliver-like edges
| Formation | Area (ha) | Shape idx | Location |
|---|---|---|---|
| Mangrove | 1,445.49 | 20.9 | -20.6997, 34.8548 |
| Mangrove | 4,115.87 | 19.5 | -18.4825, 36.4667 |
| Mangrove | 3,118.83 | 17.9 | -18.1114, 36.8306 |
| Mangrove | 8,663.56 | 17.8 | -19.1510, 35.6497 |
| Mangrove | 1,432.27 | 17.2 | -18.2607, 36.7392 |
| Mangrove | 2,147.53 | 14.7 | -18.4197, 36.6143 |
| Mangrove | 239.58 | 13.7 | -20.7732, 34.8657 |
| Mangrove | 5,076.75 | 13.5 | -18.7617, 36.3023 |
| Mangrove | 8,417.50 | 13.1 | -17.1125, 38.4598 |
| Mangrove | 1,571.60 | 13.0 | -18.2001, 36.7103 |
| Mangrove | 4,484.24 | 12.9 | -21.2524, 35.0168 |
| Mangrove | 930.32 | 12.9 | -18.4081, 36.4927 |
How to use this page. Check flagged polygons against recent satellite imagery. Remove genuine mapping artefacts in the next source update; keep real features. Atlas never edits the source data silently.